87121341

素因数分解:

$3^2\times {\mathrm{157}}^1\times {\mathrm{61657}}^1$

素因数の和:61820

約数の個数: 12

約数和(自身を含む): 126645532

約数和(自身を除く): 39524191

約数列:

[1, 3, 9, 157, 471, 1413, 61657, 184971, 554913, 9680149, 29040447, 87121341]

約数ペア:

[(1, 87121341), (3, 29040447), (9, 9680149), (157, 554913), (471, 184971), (1413, 61657)]